Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 784
aporate the tar, as happens when the tar is heatedto and maintained at a high temperature. The light oils, and even the carbolic oils, oftar will be driven off at the temperature of 250°, and in a short time there would benothing left but hard pitch. Rope tarred with such a substance will… … Fig. 9.—Rope-laying machine. white rope of the same size ; and at the same time the amount of expansion and contractionis reduced to a minimum. Russian and American hemp, being soft and spongy in theirnature, absorb the tar, swelling the fiber, and consequently lessening its stretch. Withthe hard…
Mechanical engineering
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